Air suction valve — An air suction valve (SAV ) is a subsystem used to reduce emissions in the exhaust gases of internal combustion engines.Working principleWhen an engine exhaust valve is open, the pressure in the exhaust manifold is higher than atmospheric… … Wikipedia
air control valve — (ACV) a vacuum controlled diverter valve (or a combination bypass/diverter valve) in an air injection system that diverts air pump air to either the upstream (exhaust manifold) or downstream (oxidation catalyst) air injection points as necessary … Dictionary of automotive terms
air select valve — A valve in a two stage catalytic converter with secondary air injection. It is operated by a solenoid and is triggered by the electronic control module. It directs air to the exhaust valve ports or to the midbed catalytic converter, depending on… … Dictionary of automotive terms
Exhaust valve — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… … The Collaborative International Dictionary of English
air bypass valve — (ABPV or ABV) a backfire suppressor valve used in air injection systems. During high engine vacuum conditions such as deceleration, it vents pressurized air from the air pump to the atmosphere in order to prevent backfiring. At other times, it… … Dictionary of automotive terms
Exhaust — Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913 Webster]… … The Collaborative International Dictionary of English
Exhaust draught — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… … The Collaborative International Dictionary of English
Exhaust fan — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… … The Collaborative International Dictionary of English
Exhaust nozzle — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… … The Collaborative International Dictionary of English
Exhaust orifice — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… … The Collaborative International Dictionary of English
Exhaust pipe — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… … The Collaborative International Dictionary of English